Inventor · Chiba, JP

Hiroshi Obata

19Patents
4h-index
38Co-inventors
60Inventor score

Filing activity: Jul 13, 1978 → Jan 12, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5861205A NO.sub.x -cleaning paving block Emerging Cross-Sectional Technologies 26 Expired
US6454489B1 NOx removing pavement structure Chemistry; Metallurgy 15 Expired
US7692732B2 Display device with waterproof sheet and water absorbing member Physics 11 Active
US8054400B2 Display device with waterproof sheet and recessed portion or through hole formed in a surface of the frame member which faces the waterproof sheet Physics 4 Active
US7714955B2 Liquid crystal display device Physics 3 Active
US7590502B2 Testing apparatus for steering apparatus Performing Operations; Transporting 3 Active
US9217763B2 Mixed mode fluxgate current transducer Physics 2 Active
US10479396B2 Steering system Performing Operations; Transporting 1 Active
US8989363B2 Incoming call forwarding management server, call-back terminal apparatus, and incoming call forwarding system Electricity 1 Active
US8681293B2 Liquid crystal display device Physics 1 Active
US4177976A Tuyere for a melting furnace Chemistry; Metallurgy 1 Expired
US8062558B2 Conductive paste Electricity 0 Active
US11542679B2 Scraper vehicle, method of controlling the same, and towing vehicle Mechanical Engineering; Lighting; Heating 0 Active
US8830416B2 Liquid crystal display device Physics 0 Active
US12427528B2 Rotary crushing apparatus Performing Operations; Transporting 0 Active
US8339540B2 Liquid crystal display apparatus comprising a reflection sheet having a higher degree of freedom of movement in a direction along its surface Physics 0 Active
US9408248B2 Communication control device and communication control method Electricity 0 Active
US12385208B2 Pile driving apparatus and construction machine Emerging Cross-Sectional Technologies 0 Active
US12362606B2 Construction machine system Performing Operations; Transporting 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.